Ralph Maeda, M.D.
NPI 1902806136 · Surgery Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - General Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ralph Maeda, M.D. is a Surgery Physician provider in Mission Viejo, CA (NPI 1902806136).
Provider details
- NPI number
- 1902806136
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G43462 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-07-29
- Last updated
- 2010-05-21
Frequently asked questions
- What is Ralph Maeda's NPI number?
- Ralph Maeda's National Provider Identifier (NPI) is 1902806136, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ralph Maeda's specialty?
- Ralph Maeda is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Ralph Maeda located?
- Ralph Maeda's practice location on file with NPPES is 26732 Crown Valley Pkwy, Mission Viejo, CA 92691-6306.
- What is Ralph Maeda's phone number?
- The practice phone number listed in the NPPES registry for Ralph Maeda is (949) 364-1007.
- Does Ralph Maeda accept Medicare?
- Ralph Maeda is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ralph Maeda's NPI active?
- Yes — Ralph Maeda's NPI (1902806136) is active in the NPPES registry as of the last update on 2010-05-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.